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Finding the Fourth Proportional to 581,657.80, 872,544.30 and 202,520.20

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Solution

The fourth proportional to 581,657.80, 872,544.30 and 202,520.20 is: 303,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,657.80 : 872,544.30 = 202,520.20 : x
  2. Step 2: Convert to fraction form
    581,657.80/872,544.30 = 202,520.20/x
  3. Step 3: Cross multiply
    581,657.80x = 872,544.30 × 202,520.20
  4. Step 4: Simplify right side
    581,657.80x = 176,707,846,144.86
  5. Step 5: Solve for x
    x = 176,707,846,144.86/581,657.80
  6. Step 6: Final answer
    x = 303,800.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.